<!-- begin loading 动画，对应的样式为 src/css/loading.scss -->
<div id="J_loading" class="loading">
    <div class="inner">
        <i class="before"></i>
        <i class="after"></i>
    </div>
    <div class="text">loading</div>
</div>
<!-- end loading -->

<!-- begin 主体内容 -->
<div id="J_main" class="main hide">
    <h2 class="title">H5 Boilerplate</h2>
</div>
<!-- end 主体内容 -->
